1 1/2-6 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert…
$184.99
X1Tools Ultra-Hi-Performance Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts / Stop-Nuts are made to resists loosening due to use or vibration without damaging threads thus prevent a fastener from backing off. (Also Known as lock nut, locking nut, self-locking nut, prevailing torque nut, stiff nut or elastic stop nut)